Donie O'Sullivan crosses the country to investigate the pervasive surge of misinformation targeting elections. He explores how chaos agents like Steve Bannon use alternative media and social organizing to undermine American democracy.

Pamela Brown scrutinizes the shocking turn of events that led to President Biden ending his reelection bid. Growing concerns over Biden's age and performance at the CNN debate in June culminated in a wave of calls to resign his campaign.

As Vice President Kamala Harris launches her presidential campaign, she faces a nation gearing up for a crucial election. Abby Phillip traces her path to becoming the first woman vice president and disrupting the political status quo.

The attempted assassination of Donald Trump is the latest incident of political violence in the US. Sara Sidner examines the history of violence fueled by political beliefs and looks at how this recent attack impacts the upcoming election.

Sharks and fishermen are engaged in a heightened conflict over prey. Boris Sanchez investigates this escalating struggle, including overfishing concerns and the impact on the fishing industry, and even free dives with the sharks himself.

CNN's Kristin Fisher interviews astronomers involved in the Webb Telescope's exploration of deep space and dark matter, examining its potential to answer fundamental questions about the universe: Where do we come from, and are we alone?

CNN's Randi Kaye examines how drag performance has become a political target in Florida. Local drag queens and state politicians on both sides offer insight on the cycles of acceptance and backlash that have repeated throughout history.

80 years after D-Day laid the foundation for Germany's defeat in World War II, Jake Tapper reflects on the sacrifices made to save democracy then and how the fight continues to halt the erosion of democratic governance across the globe.

Dr. Sanjay Gupta follows Alzheimer's patients' treatments over five years. He explains why it's the most hopeful era for patients, with new research suggesting potential symptom prevention, slowing, and even reversal.

This emotional report follows transgender student athletes at the center of a culture war, including a softball player's fight for inclusion that reaches the Ohio State Senate and a college swimmer seeking NCAA approval to switch teams.

Ivan Watson surveys Australia's coast, witnessing the toll of human activity from apocalyptic forest fires to unprecedented heat waves. Amidst the destruction, he engages with those combating climate change and preparing for the future.

Donie O'Sullivan investigates viral misinformation's impact on the upcoming election, engaging with believers of QAnon, a January 6th felon running for Congress, and a Neo-Nazi turned pastor who has a warning for Christian Nationalism.

In Sri Lanka, it's an all-out war between humans and Asian elephants as habitat loss drives daily confrontations. Nick Paton Walsh observes this escalating conflict which may be a symptom of climate change and human expansion.

Six months after Hamas launched a terror attack on Israel, Bianna Golodryga speaks with families of the kidnap victims and to released hostages about their time in captivity and the emotional messages they have for those they left behind.